Evaluate f(x) = -x2 - 4 for x = -3. ebra 1
1 answer:
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The considerations of expressions for each expressions are shown below.
<h3>What is an expression?</h3>- An expression in mathematics is a combination of numbers, variables, and functions (such as addition, subtraction, multiplication or division, etc.)
- Expressions and phrases are similar in structure.
- In English, a phrase may involve action on its own, but it does not constitute a whole sentence.
To consider the expressions:
Part 1:
- (x²+15x+65)+(2x-5)*(3x+8)
- (x²+15x+65)+(6x²+16x-15x-40)
- (7x²+16x+25)
The answer to Part 1 is the letter B,
(7x²+16x+25)
Part 2:
- (4x+1)*(3x-4)-(5x²-10x-12)
- (4x+1)*(3x-4)-(5x²-10x-12)
- (12x²-16x+3x-4)-(5x²-10x-12)
- (7x²-3x+8)
The answer to Part 2 is the letter D,
(7x²-3x+8)
Part 3:
- (8x²+19x+4)+(3x+2)*(x-5)
- (8x²+19x+4)+(3x²-15x+2x-10)
- (11x²+6x-6)
The answer to part 3 is the letter A,
(11x²+6x-6)
Part 4:
- (6x+1)*(3x-7)-(7x²-34x-20)
- (18x²-42x+3x-7)-(7x²-34x-20)
- (11x²-5x+13)
The answer to part 4 is the letter C,
(11x²-5x+13)
Therefore, the considerations of expressions for each expression are shown.
Know more about expressions here:
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The complete question is given below:
For each expression below, select the letter that corresponds to the equivalent expression given above.
